Re: Up my boost?
Ralph Meyermann <[email protected]>
| Newsgroups | gmane.culture.cars.volkswagen.diesel |
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| Message-ID | <CAAj276wq2vHAN4c6Xc7qJwZQ=TQotuYJXY5PGtn406q+AzqXUA@mail.gmail.com> |
Mostly a little more oomph when needed with cooler egt and a bit better fuel economy under cruise rpms Velma 82 1.9L AAZ TD Westy On Sep 25, 2014 9:16 AM, <[email protected]> wrote: > > Increase what exactly? Mileage? EGT? Boost? Cooling? Boost range? > Gotta figure out where you want to be when you get there before you > start on the trip. :-) You could go with modifying what you have, which > might well do what you want. You'd want to mod the wastegate either by > changing the spring or with a bleed-off "controller" to allow more boost. > Then you need to modify the blow-off valve on the intake side. If you > don't have 2 1/2 to 3 inch exhaust already, you'll want to start there. It > will give better response and lower EGT. > > If that's not enough for you then look for a VNT turbo to put on it but > there may be major fitment issues since the VW ones come with the exhaust > manifold as part of the turbine housing. Then you consult Andrew Libby's > modifications for making one work properly, with mechanical control. > > Intercoolers are everywhere. Where to put it and plumbing it in are the > hard parts! > Loren > > > > -----Original Message----- > From: Ralph Meyermann <[email protected]> > To: [email protected] <[email protected]> > Cc: VW Diesel Group <[email protected]> > Sent: Thu, Sep 25, 2014 2:46 am > Subject: Re: [Vwdiesel] Up my boost? > > > Any idea where to look for parts or ways to increase > > Velma 82 1.9L AAZ TD Westy > On Sep 23, 2014 11:26 PM, <[email protected]> wrote: > > I think a magic wand would be the most appropriate item needed. :-) > You're looking for what everybody wants, more boost over the whole rpm > range. Problem is: A "smaller" turbo, that gives good low end/quick > boost, tops out and restricts flow at higher rpm. Likewise, a large one, > great for top end and even no-waste-gate-needed applications, have nearly > no boost until mid rpm. Thus comes in the multi turbo setups or VNT > turbochargers. > > Depending on the turbo, you start adding heat from the compressing (or > mostly the friction of attempting to compress) of the intake air. The > stock KKK/Garrett turbos start producing enough heat that an intercooler is > worth it, somewhere around 6-7 psi. I believe it's over 300F @ a bit under > 60F ambient. Every degree you take off the intake side, seems to come off, > 1:1 from the exhaust side. Not sure just what the boost vs non-boost drop > is. The point is to cool it down so that you can then add more fuel, to > bring it back up, gain power, and still run within save operating limits. > Loren > > > > -----Original Message----- > From: Ralph Meyermann <[email protected]> > To: VW Diesel Group <[email protected]> > Sent: Tue, Sep 23, 2014 8:15 am > Subject: [Vwdiesel] Up my boost? > > > I was wondering whats needed to continuously run higher boost, not just on > eavy throttle? I have a high mount k03 for clearance, need to make it a > ybrid turbo? > Velma 82 1.9L AAZ TD Westy > ______________________________________________ > wdiesel mailing list > [email protected] > ttp://www.audifans.com/mailman/listinfo/vwdiesel > > > > _______________________________________________ > Vwdiesel mailing list > [email protected] > http://www.audifans.com/mailman/listinfo/vwdiesel > _______________________________________________ Vwdiesel mailing list [email protected] http://www.audifans.com/mailman/listinfo/vwdiesel